diff -urpN busybox-1.12.1/findutils/grep.c busybox-1.12.1-grep/findutils/grep.c
--- busybox-1.12.1/findutils/grep.c	2008-09-28 20:04:28.000000000 +0200
+++ busybox-1.12.1-grep/findutils/grep.c	2008-10-10 14:39:09.000000000 +0200
@@ -363,12 +363,22 @@ static int grep_file(FILE *file)
 						 * (unless -v: -Fov doesnt print anything at all) */
 						if (found)
 							print_line(gl->pattern, strlen(gl->pattern), linenum, ':');
-					} else {
+					} else while (1) {
+						char old = line[gl->matched_range.rm_eo];
 						line[gl->matched_range.rm_eo] = '\0';
 						print_line(line + gl->matched_range.rm_so,
 								gl->matched_range.rm_eo - gl->matched_range.rm_so,
 								linenum, ':');
-					}
+						line[gl->matched_range.rm_eo] = old;
+#if !ENABLE_EXTRA_COMPAT
+						break;
+#else
+						if (re_search(&gl->compiled_regex, line, line_len,
+								gl->matched_range.rm_eo, line_len - gl->matched_range.rm_eo, 
+								&gl->matched_range) < 0)
+							break;
+#endif
+					} 
 				} else {
 					print_line(line, line_len, linenum, ':');
 				}